Njengoko i-industrialization yaseChina ikhula, iikhemikhali, amayeza, ukuprinta kunye nokudaya, kunye namashishini ephepha akhula.Nangona kunjalo, inani elikhulu leekhemikhali kunye nezinto ezibonakalayo zisetyenziselwa inkqubo yokuvelisa la mashishini, kwaye ezi zinto zinokusabela ngamanzi ngexesha lokuvelisa ...
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